... , 50mm 2). Aluminum foil thickness: 0.5_1.6mm .Aluminum Honeycomb Core Dimensions:1). Total Thickness: 4mm, 6mm, 8mm, 10mm, 15mm, 20mm ... size: 1220 * 2440mm6) Surface Coating: PVDF, Polyester coating2. Color: Silver, bright silver, ivory, pearl white, metallic grey, stone pattern, etc...(Other special ... board the installation point of view 0—3dB Aluminum Honeycomb Core